Cisco Cisco Email Security Appliance C370 Notas de publicación
3
Release Notes for Cisco AsyncOS 8.5.5 for Email
What’s New
DMARC Verification
You can now:
•
Verify incoming emails using DMARC.
•
Define policies to override (accept, quarantine, or reject) domain
owners’ policies.
owners’ policies.
•
Send DMARC aggregate feedback reports to domain owners that helps
to strengthen their authentication deployments.
to strengthen their authentication deployments.
•
Send delivery error reports to the domain owners if the DMARC
aggregate report size exceeds 10 MB or the size specified in the RUA tag
of DMARC record.
aggregate report size exceeds 10 MB or the size specified in the RUA tag
of DMARC record.
Rule for detecting high
volume mail attacks
volume mail attacks
AsyncOS now includes a new rule, Header Repeats (
header-repeats
) rule,
for detecting high volume mail attacks. When used in message filters, the
Header Repeats rule evaluates to
Header Repeats rule evaluates to
true
if at a given point in time, a specified
number of messages:
•
With same subject are detected in the last one hour.
•
From same envelope sender are detected in the last one hour.
Upgrade notification
A notification now appears at the top of the web interface when a new
AsyncOS upgrade is available.
AsyncOS upgrade is available.
Virtual appliance
support
support
•
The following deployment options are now supported:
–
Deployments with VMWare ESXi5.1 hypervisor
–
Deployment as part of a FlexPod solution
For general information about FlexPod, see
•
Virtual license expiration now includes a 180-day grace period, during
which the appliance continues to deliver mail without security services.
which the appliance continues to deliver mail without security services.
Option to drop an email
with corrupt attachment
with corrupt attachment
You can now configure your content and message filters to drop emails
containing corrupt attachments.
containing corrupt attachments.
Envelope language
If you are using Cisco Registered Envelope Service for email encryption, you
can change the locale of the envelope to any one of the following locales:
can change the locale of the envelope to any one of the following locales:
•
English
•
French
•
German
•
Spanish
•
Portuguese
•
Japanese
Note
This feature will not be available at FCS, but will be available some
time thereafter.
time thereafter.
Feature
Description